A method for preventing clogging of artificial wetlands

Abstract

The present invention relates to an artificial wetland anti-clogging method, comprising the following steps: S1: arranging multiple groups of power supply electrode rods and measuring electrode rods on the artificial wetland; S2: an electrical instrument is powered by the power supply electrode rods and measures the resistivity distribution of the artificial wetland in real time by the measuring electrode rods, at which time a prompt light corresponding to the measuring electrode rod is lit; S3: when measuring the resistivity distribution of the artificial wetland, analysis is performed according to a resistivity distribution map of the artificial wetland, and two areas with large differences in resistivity distribution are set as areas that are about to be blocked, and the prompt lights in the areas that are about to be blocked are not illuminated; S4: personnel confirm the situation of each area of the artificial wetland according to the brightness of the prompt light and the on and off of the power, and clean it according to different situations. The present invention has the advantages of real-time monitoring, prompting and positioning.

Description

Technical Field

[0001] The invention belongs to the technical field of artificial wetlands, and particularly relates to an artificial wetland anti-clogging method. Background Art

[0002] The technology of using artificial wetlands for sewage treatment has been widely used. However, the frequent blockage problem during the operation of artificial wetlands has seriously affected the long-term and efficient operation of artificial wetlands. At present, the research method for judging the blockage of artificial wetlands is relatively simple, mainly based on the hydraulic retention time and resistivity changes of tracer experiments to study the hydraulic performance characteristics of artificial wetlands, so as to artificially determine whether blockage occurs.

[0003] However, this method of determining blockage evaluates the entire artificial wetland, and when blockage is confirmed, the entire artificial wetland can only be replaced with fillers or dredged, which is time-consuming and has poor economic benefits. Therefore, a method is needed to achieve real-time monitoring, prompting and positioning of the artificial wetland to prevent blockage in the artificial wetland. Summary of the Invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide an artificial wetland anti-clogging method with real-time monitoring, prompting and positioning.

[0005] The technical solutions of the present invention are as follows:

[0006] A method for preventing clogging of an artificial wetland comprises the following steps:

[0007] S1: Arrange multiple groups of power supply electrode rods and measurement electrode rods on the artificial wetland;

[0008] S2: The electrical instrument is powered by the power supply electrode rod and measures the resistivity distribution of the constructed wetland in real time through the measuring electrode rod. At this time, the prompt light corresponding to the measuring electrode rod lights up;

[0009] S3: When measuring the resistivity distribution of the artificial wetland, an analysis is performed based on the resistivity distribution map of the artificial wetland, and two areas with large resistivity differences are set as areas that are about to be blocked, and the warning light in the area that is about to be blocked is not illuminated;

[0010] S4: The personnel confirm the condition of each area of the artificial wetland according to the brightness of the prompt light and the power on and off, and clean it according to the different conditions.

[0011] Furthermore, during the process of discharging sewage into the artificial wetland, NaCl solution can be added to the sewage at regular intervals, and the time of adding NaCl solution each time can be adjusted according to the size of the artificial wetland so that the sewage with NaCl solution replaces the sewage without NaCl solution.

[0012] Furthermore, the electrical instrument includes an electrical instrument body, multiple detection cables, multiple cable heads, multiple groups of connectors and electrode fixing components. The multiple detection cables are connected through cable heads to form a test circuit. The two ends of the test circuit are respectively connected to the cable head and the electrical instrument body. Each of the detection cables is connected to at least one group of connectors, each group of connectors has four and each is electrically connected to an electrode fixing component, wherein the electrode fixing components are independently electrically connected to the power supply electrode rod and the measuring electrode rod, the indicator light is arranged on the electrode fixing component electrically connected to the measuring electrode rod, and the indicator light is electrically connected to the electrode fixing component. When the measuring electrode rod is energized, the electrode fixing component controls the indicator light to be connected in parallel with the two measuring electrode rods of the same group of connectors, so that the indicator light can be energized when the measuring electrode rod is energized.

[0013] Furthermore, the electrode fixing assembly includes a connecting joint electrically connected to the connecting head, a shell connected to the connecting joint, and a clamping ring arranged on the shell, the clamping ring is provided with a connecting assembly electrically connected to the measuring electrode rod and the power supply electrode rod, the connecting assembly is electrically connected to the connecting joint, a magnetic assembly is arranged above the connecting assembly electrically connected to the measuring electrode rod, the magnetic assembly is fixed to and electrically connected to the measuring electrode rod, a magnetic adsorption ring electrically connected to the indicator light is arranged above the magnetic assembly, the magnetic assemblies are all arranged inside the shell, and the magnetic assemblies can move upward along the shell, and the two magnetic assemblies of the same group of connecting heads and the two indicator lights are electrically connected.

[0014] Furthermore, the magnetic attraction component includes a displacement barrel located inside the shell, an electromagnetic ring arranged on the upper side of the displacement barrel, an insulating plate located on the inner ring of the electromagnetic ring, a power supply electrode piece arranged on the insulating plate, and a lower contact electrode piece located in the displacement barrel. The insulating plate is fixed on the displacement barrel, and a hole for the displacement barrel to pass through is opened on the lower side of the shell, and the displacement barrel is slidably connected in the hole. A reset spring is provided on the outer side of the displacement barrel, and the two ends of the reset spring are respectively connected to the displacement barrel and the shell. The displacement barrel is threadedly connected to the measuring electrode rod, the lower contact electrode piece is electrically connected to the power supply electrode piece and the electromagnetic ring, and the two electromagnetic rings of the same group of connectors are connected in series. The inner ring of the magnetic attraction ring is provided with an insulating disk and a connecting electrode piece, the connecting electrode piece is electrically connected to the warning light, and the two warning lights of the same group of connectors are connected in series.

[0015] Furthermore, a guide groove is provided on the side wall of the displacement barrel, a limiting groove is provided on the hole wall of the hole, and the limiting groove is provided with a limiting ball located in the guide groove.

[0016] Furthermore, a plug hole is opened on the upper side of the displacement barrel, a guide column is set in the plug hole, the guide column is connected to a contact plate slidably connected to the inside of the displacement barrel, the lower contact electrode sheet is set on the contact plate, and the guide column sleeve is provided with an extrusion spring.

[0017] Furthermore, the connection assembly includes a contact box located on the clamping ring, an adjustment assembly located inside the contact box, and a power supply head located on the adjustment assembly. The contact box has an adjustment hole on its side for the power supply head to pass through. The contact box contacts the power supply electrode rod and the measuring electrode rod on its side. The power supply electrode rod and the measuring electrode rod both have limiting holes on their sides for the power supply head to plug into. The limiting holes are tapered holes so that the power supply head can disengage from the limiting holes as the power supply electrode rod or the measuring electrode rod moves downward.

[0018] The power supply head can move up and down and in the radial direction of the power supply electrode rod or the measuring electrode rod on the adjustment component, and the power supply head is electrically connected to the connection joint.

[0019] Furthermore, the adjustment assembly includes a displacement plate slidably connected to the interior of the contact box, a guide cylinder provided on the side of the displacement plate away from the power supply electrode rod or the measuring electrode rod, a sealing disk slidably connected to the guide cylinder, a permanent magnet B provided on the side of the sealing disk away from the displacement plate, and a permanent magnet A located inside the contact box, the displacement plate is provided with a hole of the same size as the adjustment hole, the displacement plate is capable of moving up and down along the contact box, and the displacement plate is in sealed contact with the contact box, the displacement plate is capable of moving up and down in the contact box, and the moving distance is greater than the spacing between the electromagnetic ring and the magnetic attraction ring;

[0020] The side of the sealing disk away from the permanent magnet B is sealed with a sealing sleeve, the other end of the sealing sleeve is sealed with the displacement plate, and the power supply head is arranged on the sealing disk;

[0021] The guide cylinder is arranged along the radial direction of the power supply electrode rod or the measuring electrode rod, and the permanent magnet A is arranged on the side of the guide cylinder away from the displacement plate, and the magnetic poles of the permanent magnet A and the permanent magnet B on the opposite sides are the same.

[0022] Furthermore, a strip-shaped hole is opened on the side surface of the guide cylinder along the axial direction of the guide cylinder.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The present invention realizes the detection of the resistivity of the artificial wetland by cooperating with multiple groups of power supply electrode rods and measuring electrode rods and an electrical instrument, which facilitates the detection of artificial wetlands and prompts the area that is about to be blocked through the warning light, so that personnel can deal with it in time to avoid the situation of blockage.

[0025] 2. The present invention uses a motor detection assembly to connect the power supply electrode rod and the measuring electrode rod to the connector. When the measuring electrode rod is energized, the indicator light is automatically controlled to be connected in parallel with the measuring electrode rod. The indicator light can adjust its brightness according to the resistivity of the artificial wetland, thereby facilitating the timely detection of areas that are about to be blocked, and facilitating real-time detection of the artificial wetland and the prompting and positioning of areas that are about to be blocked.

[0026] In summary, the present invention has the advantages of real-time monitoring, prompting and positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the electrical method instrument of the present invention;

[0028] Figure 2 For the present invention Figure 1 A schematic diagram of an electrode fixing assembly;

[0029] Figure 3 For the present invention Figure 2 Schematic diagram of the cross-section structure;

[0030] Figure 4 For the present invention Figure 3 A schematic structural diagram of a magnetic attraction component;

[0031] Figure 5 For the present invention Figure 3 A schematic diagram of the structure of the enlarged part A;

[0032] Figure 6 For the present invention Figure 2 A schematic diagram of the structure of the connection components;

[0033] Figure 7 For the present invention Figure 2 Schematic diagram of the limiting hole structure of the measuring electrode rod or the power supply electrode rod;

[0034] Figure 8 For the present invention Figure 6 Schematic diagram of the position of the strip holes of the guide cylinder.

[0035] In the figure, 1. the main body of the electrical instrument, 3. the electrode fixing assembly, 31. the connecting joint, 32. the shell, 321. the limiting groove, 34. the clamping ring, 35. the connecting assembly, 351. the contact box, 352. the permanent magnet A, 353. the guide cylinder, 3531. the strip hole, 354. the permanent magnet B, 355. the sealing disk, 356. the sealing sleeve, 357. the limiting plate, 358. the displacement plate, 359. the power supply head, 38. the magnetic suction Components, 381, displacement barrel, 382, power supply electrode sheet, 383, insulation plate, 384, electromagnetic ring, 385, guide groove, 386, limit ball, 387, extrusion spring, 388, lower contact electrode sheet, 389, guide column, 3810, contact plate, 39, magnetic adsorption ring, 4, cable head, 5, detection cable, 6, connector, 7, measuring electrode rod, 71, threaded head, 72, limit hole, 8, warning light. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] like Figure 1-8 As shown, a method for preventing blockage of an artificial wetland comprises the following steps:

[0038] S1: Arrange multiple groups of power supply electrode rods and measurement electrode rods 7 on the artificial wetland;

[0039] S2: The electrical instrument is powered by the power supply electrode rod and measures the resistivity distribution of the artificial wetland in real time through the measuring electrode rod 7. At this time, the prompt light 8 corresponding to the measuring electrode rod 7 lights up;

[0040] S3: When measuring the resistivity distribution of the artificial wetland, analysis is performed based on the resistivity distribution map of the artificial wetland. Since sewage is continuously discharged into the artificial wetland, the gap on the side where the sewage is about to be blocked is filled with sewage, so the resistivity is low. On the other hand, the gap on the side where the sewage is discharged from the artificial wetland is filled with less sewage, making the conductive material of the artificial wetland more conductive, so the resistivity is high, and the warning light 8 in the area about to be blocked does not light up.

[0041] S4: The personnel confirm the situation of each area of the artificial wetland according to the brightness of the prompt light 8 and the power on and off, and clean it according to different situations.

[0042] In this embodiment, NaCl solution can be added to the sewage regularly during the sewage discharge process of the artificial wetland, and the time of adding NaCl solution each time can be adjusted according to the size of the artificial wetland so that the sewage with NaCl solution replaces the sewage without NaCl solution.

[0043] In this embodiment, the electrical instrument includes an electrical instrument body 1, multiple detection cables 5, multiple cable heads 4, multiple groups of connectors 6 and an electrode fixing assembly 3. The multiple detection cables 5 are connected through the cable heads 4 to form a test circuit. The two ends of the test circuit are respectively connected to the cable heads 4 and the electrical instrument body 1. The test circuit includes a power supply circuit and a measurement circuit. The electrical instrument body 1 is specifically a detection display system. The detection display system is used to display in real time the voltage and resistance continuously measured by the measuring electrode rod 7. The measurement interval can be set according to personal settings. In addition, an alarm system is provided that can remind the operator in real time according to the voltage and resistance size. The alarm system can use a display and a speaker to alarm. Each detection cable 5 is connected to at least one group of connectors 6. Each group of connectors 6 There are four motor fixing components, each electrically connected to an electrode fixing assembly 3, wherein two connectors 6 are electrically connected to the power supply circuit, and two connectors 6 are electrically connected to the measurement circuit, so as to realize electrical connection between the motor fixing assembly and the power supply circuit and the measurement circuit. The electrode fixing assembly 3 electrically connected to the power supply circuit is independently electrically connected to the power supply electrode rod, and the motor fixing assembly electrically connected to the measurement circuit is independently electrically connected to the measurement electrode rod 7. An indication light 8 is provided on the electrode fixing assembly 3 electrically connected to the measurement electrode rod 7, and the indication light 8 is electrically connected to the electrode fixing assembly 3. When the measurement electrode rod 7 is energized, the electrode fixing assembly 3 controls the indication light 8 to be connected in parallel to the two measurement electrode rods 7 in the same group of connectors 6, so that the indication light 8 can be energized when the measurement electrode rod 7 is energized;

[0044] During use, the power supply electrode rod and the measuring electrode rod 7 are plugged into the artificial wetland, and then the power supply electrode rod is controlled by the electrical instrument body 1 to supply power to the artificial wetland, and the measurement is performed through the measuring electrode rod 7. During the measurement process, the electrical instrument body 1 displays the voltage and resistance continuously measured by the measuring electrode rod 7, and determines the area where the artificial wetland is about to be blocked based on the voltage and resistance. In the detection process, the electrode fixing assembly 3 controls the prompt light 8 to be connected in parallel with the measuring electrode rod 7, and the prompt light 8 is powered on and illuminated. Personnel arrive at the scene according to the area where the chassis is blocked displayed by the electrical instrument body 1, and determine the situation of each area of the artificial wetland by the luminous intensity and power on and off status of the prompt light 8. When the prompt light 8 does not light up, it can be determined that the artificial wetland in the area is about to be blocked, and then the lighting conditions of the prompt lights in different areas of the artificial wetland are cleaned to avoid blockage of the artificial wetland.

[0045] In this embodiment, the electrode fixing assembly 3 includes a connecting joint 31 electrically connected to the connecting head 6, a shell 32 fixed to the connecting joint 31 by bolts, and a clamping ring 34 arranged on the shell 32. The clamping ring 34 is provided with a connecting assembly 35 electrically connected to the measuring electrode rod 7 and the power supply electrode rod. The connecting assembly 35 is electrically connected to the connecting joint 31. A magnetic attraction assembly 38 is arranged above the connecting assembly 35 electrically connected to the measuring electrode rod 7. The magnetic attraction assembly 38 is fixed and electrically connected to the measuring electrode rod 7. A magnetic attraction ring 39 electrically connected to the indicator light 8 is arranged above the magnetic attraction assembly 38. The magnetic attraction assemblies 38 are all glued to the inside of the shell 32, and the magnetic attraction assemblies 38 can move upward along the shell 32. The two magnetic attraction assemblies 38 of the same group of connecting heads 6 and the two indicator lights 8 are electrically connected.

[0046] During use, the measuring electrode rod 7 or the power supply electrode rod is fixed on the clamping ring 34, and the measuring electrode rod 7 is connected to the magnetic assembly. At this time, the magnetic assembly 38 is electrically connected to the measuring electrode rod 7. When measurement is required, the power supply electrode rod is energized, and the current of the power supply electrode rod is transmitted to the measuring electrode rod 7 through the artificial wetland. At this time, the magnetic assembly 38 is energized and generates magnetic force. The magnetic assembly 38 moves up and is magnetically attracted to the magnetic attraction ring 39. The prompt light 8 is connected in parallel with the measuring electrode rod 7. The prompt light 8 is illuminated based on the current size on the measuring electrode rod 7. When the resistivity of the artificial wetland is high, the magnetic force generated by the magnetic assembly 38 is insufficient to magnetically attract the magnetic attraction ring, and the prompt light 8 will not illuminate.

[0047] When measurement is no longer required, the current supplying the electrode rod is disconnected, the magnetic attraction component 38 no longer generates magnetic force and is separated from the magnetic attraction ring 39, and the warning light 8 no longer lights up.

[0048] In this embodiment, the magnetic assembly 38 includes a displacement barrel 381 located inside the shell 32, an electromagnetic ring 384 glued to the upper side of the displacement barrel 381, an insulating plate 383 located on the inner ring of the electromagnetic ring 384, a power supply electrode piece 382 fixed on the insulating plate 383, and a lower contact electrode piece 388 located in the displacement barrel 381. The insulating plate 383 is fixed on the displacement barrel 381. A hole is provided on the lower side of the shell 32 for the displacement barrel 381 to pass through, and the displacement barrel 381 is slidably connected in the hole. A reset spring is provided on the outer side of the displacement barrel 381, and the two ends of the reset spring are respectively fixed. Connected to the displacement barrel 381 and the housing 32, the upper end of the measuring electrode rod 7 is provided with a threaded head 71, the displacement barrel 381 is threadedly connected to the threaded head 71, the lower contact electrode piece 388 is electrically connected to the power supply electrode piece 382 and the electromagnetic ring 384, the two electromagnetic rings 384 of the same group of connectors 6 are connected in series, the magnetic attraction ring 39 is made of magnetic attraction material, the inner ring of the magnetic attraction ring 39 is provided with an insulating disk and a connecting electrode piece, the connecting electrode piece is electrically connected to the warning light 8, and the two warning lights 8 of the same group of connectors 6 are connected in series. The housing 32 and the displacement barrel 381 can be made of magnetic shielding material;

[0049] During use, the threaded head 71 of the measuring electrode rod 7 is inserted into the displacement barrel 381. At this time, the measuring electrode rod 7 is rotated clockwise so that the measuring electrode rod 7 is threadedly connected to the displacement barrel 381 and contacts the lower contact electrode piece 388. When the power supply electrode rod is energized, the current of the power supply electrode rod enters the measuring electrode rod 7 through the artificial wetland and is transmitted to the electromagnetic ring 384 and the power supply electrode piece 382 through the electrode rod and the lower contact electrode piece 388. The electromagnetic ring 384 generates magnetic force and attracts the magnetic attraction ring 39. The magnetic attraction ring 39 drives the housing 32 to move downward. At this time, the reset spring is squeezed. When the electromagnetic ring 384 and the magnetic attraction ring 39 are magnetically attracted, the power supply electrode piece 382 contacts the connection electrode piece and is energized, and the prompt light 8 lights up.

[0050] When the power supply electrode rod is powered off, the current of the measuring electrode rod 7 is disconnected, and the electromagnetic ring 384 no longer generates magnetic force. At this time, the reset spring pushes the housing 32 upward, and the connecting electrode sheet and the power supply electrode sheet 382 are no longer in contact.

[0051] During use, when the artificial wetland between the two power supply electrode rods is about to be blocked, since the filler pores in the artificial wetland are mostly filled with inorganic matter, insoluble organic matter, soluble organic matter and activated sludge-like substances with a small specific gravity and a water content of up to 99%, the resistivity of the artificial wetland is very high when the blockage area is about to appear. At this time, the power supply electrode rod is supplying power normally, but the current received by the measuring electrode rod 7 is small, so that the magnetic force generated by the electromagnetic ring 384 cannot drive the magnetic adsorption ring 39 to squeeze the spring 387, so that the warning light 8 cannot be powered on and illuminated. At this time, personnel can judge whether the artificial wetland is about to be blocked based on whether the warning light 8 is illuminated.

[0052] In this embodiment, a guide groove 385 is formed on the side wall of the displacement barrel 381, and a limiting groove 321 is formed on the hole wall. The limiting groove 321 is provided with a limiting ball 386 located in the guide groove 385;

[0053] During use, the displacement of the displacement barrel 381 is limited by the cooperation of the limiting ball 386, the limiting groove 321 and the guide groove 385, so as to prevent the displacement barrel 381 from detaching from the shell 32, and when the measuring electrode rod 7 screws into and out of the displacement barrel 381, the displacement barrel 381 will not rotate.

[0054] In this embodiment, a plug hole is formed on the upper side of the displacement barrel 381, and a guide post 389 is provided in the plug hole. The guide post 389 is connected to a contact plate 3810 that is slidably connected to the interior of the displacement barrel 381. The lower contact electrode sheet 388 is provided on the contact plate 3810. The guide post 389 is provided with a compression spring 387.

[0055] During use, when the measuring electrode rod 7 is threaded into the displacement barrel 381, the threaded head 71 of the measuring electrode rod 7 contacts the lower contact electrode piece 388 and pushes the contact plate 3810 upward. At this time, the guide column 389 moves into the plug-in hole, thereby ensuring that the measuring electrode rod 7 and the lower contact electrode piece 388 are in contact and energized. When the measuring electrode rod 7 is removed, the extrusion spring 387 drives the contact plate 3810 to reset.

[0056] In this embodiment, the connection assembly 35 includes a contact box 351 integrally formed on the clamping ring 34, an adjustment assembly located within the contact box 351, and a power supply head 359 located on the adjustment assembly. An adjustment hole is defined on the side of the contact box 351 for the power supply head 359 to pass through. The side of the contact box 351 contacts the power supply electrode rod and the measuring electrode rod 7. Furthermore, the side of the power supply electrode rod and the measuring electrode rod 7 both have a retaining hole 72 defined thereon for the power supply head 359 to plug into. The retaining hole 72 is a tapered hole that allows the power supply head 359 to disengage from the retaining hole 72 as the power supply electrode rod or the measuring electrode rod 7 moves downward.

[0057] The power supply head 359 can move up and down and in the radial direction of the power supply electrode rod or the measuring electrode rod 7 on the adjustment assembly. The power supply head 359 is electrically connected to the connection connector 31.

[0058] During use, when the measuring electrode rod 7 is inserted into the clamping ring 34, the power supply head 359 is locked in the contact box 351 through the adjustment component. At this time, the measuring electrode rod 7 is moved upward so that the threaded head 71 of the measuring electrode rod 7 contacts the displacement barrel 381, and then the measuring electrode rod 7 is rotated. During the rotation, the measuring electrode rod 7 gradually moves upward, and the power supply head 359 enters the limiting hole 72. When the power supply electrode rod is energized and the shell 32 moves downward, since the power supply head 359 is located in the limiting hole 72, the adjustment component drives the power supply head 359 to move during the downward movement of the shell 32 to ensure that the power supply head 359 is always located in the limiting hole 72, thereby avoiding friction between the power supply head 359 and the measuring electrode rod 7 when the measuring electrode rod 7 is energized.

[0059] In this embodiment, the adjustment component includes a displacement plate 358 arranged inside the contact box 351, a guide cylinder 353 fixed to the displacement plate 358 on the side away from the power supply electrode rod or the measuring electrode rod 7, a sealing disk 355 slidably connected to the guide cylinder 353, a permanent magnet B354 glued to the sealing disk 355 on the side away from the displacement plate 358, and a permanent magnet A352 glued to the inside of the contact box 351. The displacement plate 358 is provided with a hole of the same size as the adjustment hole, and the sealing disk 355 is fixed to the side away from the power supply electrode rod or the measuring electrode rod 7 through the limiting groove 321 and the limiting groove 321. The positioning ball 386 and the guide groove 385 are in sliding connection with the guide cylinder 353. The displacement plate 358 can move up and down along the contact box 351, and the displacement plate 358 contacts the contact box 351 through the sealing ring. The upper and lower spacing of the displacement plate 358 is smaller than the upper and lower spacing of the contact box 351, and the difference in the upper and lower spacing between the displacement plate 358 and the contact box 351 is greater than the spacing between the electromagnetic ring 384 and the magnetic attraction ring 39. Limiting plates 357 are provided on both the front and rear sides of the displacement plate 358, and the limiting plates 357 are fixed to the contact box 351.

[0060] The side of the sealing disk 355 away from the permanent magnet B354 is adhered with a sealing sleeve 356 by sealing glue. The other end of the sealing sleeve 356 is adhered to the displacement plate 358 by sealing glue. The power supply head 359 is fixed to the sealing disk 355.

[0061] The guide cylinder 353 is arranged along the radial direction of the power supply electrode rod or the measuring electrode rod 7. The permanent magnet A352 is glued to the side of the guide cylinder 353 away from the displacement plate 358. The magnetic poles of the permanent magnet A352 and the permanent magnet B354 on the opposite sides are the same.

[0062] When the power supply head 359 contacts the measuring electrode rod 7 or the side of the power supply electrode rod, the power supply head 359 pushes the permanent magnet B 354 toward the permanent magnet A 352 through the sealing disk 355. When the power supply head 359 is inserted into the limiting hole 72, the permanent magnets B 354 and A 352 push the power supply head 359 into the limiting hole 72. When the measuring electrode rod 7 is energized, the power supply head 359 drives the displacement plate 358 upward through the sealing disk 355 and the guide cylinder 353. When the power is off, the displacement plate 358 is driven downward.

[0063] During use, the interior of the contact box 351 is sealed by the sealing sleeve 356 and the displacement plate 358 to prevent the permanent magnet A 352 and the permanent magnet B 354 from contacting water, thereby extending the service life of the permanent magnet A 352 and the permanent magnet B 354.

[0064] In this embodiment, a strip-shaped hole 3531 is opened on the side of the guide cylinder 353 along the axial direction of the guide cylinder 353;

[0065] When in use, the wiring of the power supply head 359 is realized through the bar-shaped hole 3531, which facilitates the circuit connection of the power supply head 359.

[0066] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for preventing clogging of an artificial wetland, characterized by: The steps include: S1: Arrange multiple groups of power supply electrode rods and measurement electrode rods on the artificial wetland; S2: The electrical instrument is powered by the power supply electrode rod and measures the resistivity distribution of the constructed wetland in real time through the measuring electrode rod. At this time, the prompt light corresponding to the measuring electrode rod lights up; S3: When measuring the resistivity distribution of the artificial wetland, an analysis is performed based on the resistivity distribution map of the artificial wetland, and two areas with large resistivity differences are set as areas that are about to be blocked, and the warning light in the area that is about to be blocked is not illuminated; S4: The personnel confirm the condition of each area of the artificial wetland according to the brightness of the prompt light and the power on and off, and clean it according to the different conditions; The electrical instrument includes an electrical instrument body, multiple detection cables, multiple cable heads, multiple groups of connectors, and an electrode fixing assembly. The multiple detection cables are connected by the cable heads to form a test circuit. The two ends of the test circuit are respectively connected to the cable heads and the electrical instrument body. Each of the detection cables is connected to at least one group of connectors. Each group of connectors has four connectors, and each connector is electrically connected to an electrode fixing assembly. The electrode fixing assemblies are independently electrically connected to a power supply electrode rod and a measuring electrode rod. The indicator light is provided on the electrode fixing assembly electrically connected to the measuring electrode rod, and the indicator light is electrically connected to the electrode fixing assembly. When the measuring electrode rod is energized, the electrode fixing assembly controls the indicator light to be connected in parallel to the two measuring electrode rods of the same group of connectors, so that the indicator light can be energized when the measuring electrode rod is energized. The electrode fixing assembly includes a connecting joint electrically connected to the connecting head, a shell connected to the connecting joint, and a clamping ring provided on the shell. The clamping ring is provided with a connecting assembly electrically connected to the measuring electrode rod and the power supply electrode rod. The connecting assembly is electrically connected to the connecting joint. A magnetic attraction assembly is provided above the connecting assembly electrically connected to the measuring electrode rod. The magnetic attraction assembly is fixed to and electrically connected to the measuring electrode rod. A magnetic attraction ring electrically connected to the indicator light is provided above the magnetic attraction assembly. The magnetic attraction assemblies are all provided inside the shell and can move upward along the shell. The two magnetic attraction assemblies of the same group of connecting heads and the two indicator lights are electrically connected. The magnetic attraction assembly includes a displacement barrel located inside the shell, an electromagnetic ring arranged on the upper side of the displacement barrel, an insulating plate located on the inner ring of the electromagnetic ring, a power supply electrode piece arranged on the insulating plate, and a lower contact electrode piece located in the displacement barrel. The insulating plate is fixed on the displacement barrel, and a hole for the displacement barrel to pass through is opened on the lower side of the shell, and the displacement barrel is slidably connected in the hole. A reset spring is sleeved on the outer side of the displacement barrel, and the two ends of the reset spring are respectively connected to the displacement barrel and the shell. The displacement barrel is threadedly connected to the measuring electrode rod, and the lower contact electrode piece is electrically connected to the power supply electrode piece and the electromagnetic ring. The two electromagnetic rings of the same group of connectors are connected in series. The inner ring of the magnetic attraction ring is provided with an insulating disk and a connecting electrode piece. The connecting electrode piece is electrically connected to the warning light, and the two warning lights of the same group of connectors are connected in series.

2. The method for preventing clogging of an artificial wetland according to claim 1, wherein: During the process of discharging sewage into the artificial wetland, NaCl solution is added to the sewage at regular intervals, and the time of adding NaCl solution each time is adjusted according to the size of the artificial wetland so that the sewage with NaCl solution replaces the sewage without NaCl solution.

3. The method for preventing clogging of an artificial wetland according to claim 1, wherein: A guide groove is provided on the side wall of the displacement barrel, a limiting groove is provided on the hole wall of the hole, and a limiting ball is provided in the limiting groove.

4. The method for preventing clogging of an artificial wetland according to claim 3, wherein: A plug hole is provided on the upper side of the displacement barrel, a guide column is provided in the plug hole, the guide column is connected to a contact plate that is slidably connected to the inside of the displacement barrel, the lower contact electrode sheet is provided on the contact plate, and the guide column sleeve is provided with an extrusion spring.

5. The method for preventing clogging of an artificial wetland according to claim 4, characterized in that: The connecting assembly includes a contact box located on the clamping ring, an adjustment assembly located inside the contact box, and a power supply head located on the adjustment assembly. The contact box has an adjustment hole on its side for the power supply head to pass through. The contact box contacts the power supply electrode rod and the measuring electrode rod on its side. The power supply electrode rod and the measuring electrode rod both have limiting holes on their sides for the power supply head to plug into. The limiting holes are tapered holes so that the power supply head can disengage from the limiting holes as the power supply electrode rod or the measuring electrode rod moves downward. The power supply head can move up and down and in the radial direction of the power supply electrode rod or the measuring electrode rod on the adjustment component, and the power supply head is electrically connected to the connection joint.

6. The method for preventing clogging of an artificial wetland according to claim 5, characterized in that: The adjustment assembly includes a displacement plate slidably connected to the interior of the contact box, a guide cylinder provided on the side of the displacement plate away from the power supply electrode rod or the measuring electrode rod, a sealing disk slidably connected to the guide cylinder, a permanent magnet B provided on the side of the sealing disk away from the displacement plate, and a permanent magnet A located inside the contact box, the displacement plate is provided with a hole of the same size as the adjustment hole, the displacement plate can move up and down along the contact box, and the displacement plate is in sealed contact with the contact box, the displacement plate can move up and down in the contact box, and the moving distance is greater than the distance between the electromagnetic ring and the magnetic attraction ring; The side of the sealing disk away from the permanent magnet B is sealed with a sealing sleeve, the other end of the sealing sleeve is sealed with the displacement plate, and the power supply head is arranged on the sealing disk; The guide cylinder is arranged along the radial direction of the power supply electrode rod or the measuring electrode rod, and the permanent magnet A is arranged on the side of the guide cylinder away from the displacement plate, and the magnetic poles of the permanent magnet A and the permanent magnet B on the opposite sides are the same.

7. The method for preventing clogging of an artificial wetland according to claim 6, wherein: A strip hole is opened on the side surface of the guide cylinder along the axial direction of the guide cylinder.

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